rxseger

local $ sw_vers
ProductName:	Mac OS X
ProductVersion:	10.11.5
BuildVersion:	15F34
local $ brew brew tap titanous/homebrew-gnuradio
local $ brew install gr-osmosdr
Error: titanous/gnuradio/gr-osmosdr is a head-only formula
Install with `brew install --HEAD titanous/gnuradio/gr-osmosdr`
local $ brew install titanous/gnuradio/gr-osmosdr
Error: titanous/gnuradio/gr-osmosdr is a head-only formula

rxseger

#!/usr/bin/env python

import threading
import time
import RPi.GPIO as GPIO

GPIO.setmode(GPIO.BOARD)

# GPIO pins

rxseger

Able to install GNU Radio through Homebrew, but trying to install it through MacPorts instead for https://github.com/rxseger/homebrew-hackrf/issues/4

~ $ time port install gnuradio
--->  Computing dependencies for gnuradio
--->  Dependencies to be installed: boost python27 cmake curl curl-ca-bundle libarchive libxml2 xz lzo2 cppunit doxygen bison bison-runtime m4 flex libpng fftw-3-single fftw-3 graphviz fontconfig freetype gd2 jpeg tiff xpm xorg-libXext xorg-libX11 xorg-kbproto xorg-libXau xorg-xproto xorg-libXdmcp xorg-libxcb xorg-libpthread-stubs xorg-xcb-proto xorg-xextproto xorg-libXt xorg-libsm xorg-libice gts glib2 libffi pcre libnetpbm libLASi pango Xft2 xrender xorg-renderproto cairo libpixman xorg-xcb-util gobject-introspection libtool py27-mako py27-beaker py27-setuptools py27-markupsafe harfbuzz graphite2 urw-fonts webp xorg-libXaw xorg-libXmu gsl jack db60 libsamplerate libsndfile flac libogg libvorbis libxslt libsdl xorg-libXrandr xorg-randrproto log4cpp pkgconfig portaudio py27-cheetah py27-lx

rxseger

from https://github.com/itemir/dump1090_sdrplus/releases/tag/HackRF_One

diff --git a/dump1090.c b/dump1090.c
index 7fa5327..01cea88 100644
--- a/dump1090.c
+++ b/dump1090.c
@@ -2,6 +2,8 @@
  *
  * Copyright (C) 2012 by Salvatore Sanfilippo <antirez@gmail.com>
  *

rxseger

python /Users/admin/rf/gnuradio/gr-dtv/examples/atsc_ctrlport_monitor.py

python
import scipy
import scipy.fftpack

Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/usr/local/lib/python2.7/site-packages/scipy/fftpack/__init__.py", line 95, in <module>
    from .basic import *

rxseger

#!/usr/bin/python
# -*- coding: utf-8 -*-
# Show PSIP data (and other packets) from MPEG TS streams from ATSC broadcasts
# Warning: very rough, incomplete, you're probably better off using VLC 3.0 (show Media Information,
# go to Codec Details, then scroll down to the EPG (electronic program guide) sections)

import sys
import struct

def decodeTSpacket(packet):

rxseger

<?xml version='1.0' encoding='utf-8'?>
<?grc format='1' created='3.7.9'?>
<flow_graph>
  <timestamp>Tue Jul 22 14:34:09 2014</timestamp>
  <block>
    <key>options</key>
    <param>
      <key>author</key>
      <value></value>
    </param>

rxseger

#!/usr/bin/env python2
# -*- coding: utf-8 -*-
# see https://gist.github.com/rxseger/4c6fce39cffa149424a4780a37fae426
##################################################
# GNU Radio Python Flow Graph
# Title: Receive ATSC from UHD
# Generated: Wed Jun 22 00:27:50 2016
##################################################

from gnuradio import analog

rxseger

<?xml version='1.0' encoding='utf-8'?>
<?grc format='1' created='3.7.9'?>
<flow_graph>
  <timestamp>Tue Jul 22 14:34:09 2014</timestamp>
  <block>
    <key>options</key>
    <param>
      <key>author</key>
      <value></value>
    </param>

rxseger

decoding NEC pulses for power down button (0x4d) of RTL remote
http://www.sbprojects.com/knowledge/ir/nec.php

pulse, pause        = 0
pulse, pause pause  = 1

received using rtl_ir https://github.com/librtlsdr/librtlsdr/pull/9
$ ./rtl_ir
press the power button on the RTL remote, shows pulses: